数字签名的PDF文件 [英] Digitally sign PDF files
问题描述
我有标识用户的数字证书。我需要用它来数字签名的PDF文件。
I have a digital certificate that identifies an user. I need to use it to Digitally sign pdf files.
有没有人有没有使用第三方组件的例子吗?我需要得到这个工作,但它会是不错的充分理解事情是如何完成的。
Does anyone have an example that does not uses a third party component? I need to get this done but it would be nice to fully understand how things are done.
C#示例请:)
推荐答案
开源 iTextSharp的库将允许你这样做。这里有一个帖子解释如何进行数字签名的PDF文件。如果你不希望使用第三方库,那么你可以自己实现它,但它可能是一个艰巨的任务 - >您可以通过阅读的 PDF规范(8.6MB)
The open source iTextSharp library will allow you to do this. Here's a post explaining how to digitally sign a pdf file. If you don't want to use a third party library then you can implement it yourself but it could be a tough task -> you can start by reading the pdf specification (8.6MB)
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